Students write cards for Gao Zhifan, a music teacher at No 6 High School in Xiamen, Fujian province, reading "You are the brightest star in the night sky". The 28-year-old, who rose to popularity for helping the school's choir Season Singers compose a cappella versions of popular songs, passed away suddenly from a severe illness on July 19. His family members, students and friends bid farewell to him at a memorial service in Xiamen on July 21. [Photo by Wei Peiquan/Xinhua]